“As we were trolling up sailfish and dorado, all hell broke loose on our starboard side,” he writes in his posting. “A 500- to 600-pound blue marlin was chasing a huge dorado, at least 25 pounds. The marlin made several attempts at the dorado, and the last we saw of both of them was they passed five feet away from us [and] the dorado was on the tail of the marlin. I guess that's the furthest place from his bill!”